Set legend slice max value inclusive
Set legend slice max value inclusive

As discussed in jQuery-Mapael#84

However, side effect on Mapael examples (http://www.vincentbroute.fr/mapael/#examples) should be checked as some may need corrections.
Indigo744/jQuery-Mapael,neveldo/jQuery-Mapael,Indigo744/jQuery-Mapael,neveldo/jQuery-Mapael